Home / 189,677.08-284,512.38-56,557.72

Finding the Fourth Proportional to 189,677.08, 284,512.38 and 56,557.72

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Solution

The fourth proportional to 189,677.08, 284,512.38 and 56,557.72 is: 84,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,677.08 : 284,512.38 = 56,557.72 : x
  2. Step 2: Convert to fraction form
    189,677.08/284,512.38 = 56,557.72/x
  3. Step 3: Cross multiply
    189,677.08x = 284,512.38 × 56,557.72
  4. Step 4: Simplify right side
    189,677.08x = 16,091,371,524.57
  5. Step 5: Solve for x
    x = 16,091,371,524.57/189,677.08
  6. Step 6: Final answer
    x = 84,835.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.